Search Results - "Lagares, J. I."

Ionization chamber dosimetry of small photon fields: a Monte Carlo study on stopping-power ratios for radiosurgery and IMRT beams by Sánchez-Doblado, F, Andreo, P, Capote, R, Leal, A, Perucha, M, Arráns, R, Núñez, L, Mainegra, E, Lagares, J I, Carrasco, E

“…Absolute dosimetry with ionization chambers of the narrow photon fields used in stereotactic techniques and IMRT beamlets is constrained by lack of electron…”
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SU‐E‐T‐391: Modelling Peripheral Photon Dose in TomoTherapy Treatments by Sánchez‐Nieto, BB, Romero, MT, Nuñez, L, Sansaloni, F, Lagares, JI, Sánchez, P, Medrano, JC, Garayoa, J, Sánchez‐Doblado, F

“…Purpose: The delivery of the therapeutic radiation dose to the tumour in photon radiotherapy, also implies dose deposition in distant organs (peripheral dose)…”
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A new online detector for estimation of peripheral neutron equivalent dose in organ by Irazola, L., Lorenzoli, M., Bedogni, R., Pola, A., Terrón, J. A., Sanchez‐Nieto, B., Expósito, M. R., Lagares, J. I., Sansaloni, F., Sanchez‐Doblado, F.

“…Purpose: Peripheral dose in radiotherapy treatments represents a potential source of secondary neoplasic processes. As in the last few years, there has been a…”
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The wall correction factor for a spherical ionization chamber used in brachytherapy source calibration by Piermattei, A, Azario, L, Fidanzio, A, Viola, P, Dell'Omo, C, Iadanza, L, Fusco, V, Lagares, J I, Capote, R

“…The effect of wall chamber attenuation and scattering is one of the most important corrections that must be determined when the linear interpolation method…”
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Estimation of neutron-equivalent dose in organs of patients undergoing radiotherapy by the use of a novel online digital detector by Sánchez-Doblado, F, Domingo, C, Gómez, F, Sánchez-Nieto, B, Muñiz, J L, García-Fusté, M J, Expósito, M R, Barquero, R, Hartmann, G, Terrón, J A, Pena, J, Méndez, R, Gutiérrez, F, Guerre, F X, Roselló, J, Núñez, L, Brualla-González, L, Manchado, F, Lorente, A, Gallego, E, Capote, R, Planes, D, Lagares, J I, González-Soto, X, Sansaloni, F, Colmenares, R, Amgarou, K, Morales, E, Bedogni, R, Cano, J P, Fernández, F

“…Neutron peripheral contamination in patients undergoing high-energy photon radiotherapy is considered as a risk factor for secondary cancer induction…”
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Neutron spectra around a tandem linear accelerator in the generation of (18)F with a bonner sphere spectrometer by Lagares, J I, Araque, J E Guerrero, Méndez-Villafañe, R, Arce, P, Sansaloni, F, Vela, O, Díaz, C, Campo, Xandra, Pérez, J M

“…A Bonner sphere spectrometer was used to measure the neutron spectra produced at the collision of protons with an H2(18)O target at different angles. A unique…”
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Point Detector Scorer in GAMOS/Geant4 by Arce, P, Sansaloni, F, Lagares, J I

“…This paper presents the implementation of the Point Detector Scorer in the Monte Carlo simulation code GAMOS/Geant4. The Point Detector Scorer (PDS) is…”
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MO‐E‐T‐617‐01: Energy and Intensity Modulated Electron Radiation Therapy Using a Monte Carlo Optimization Procedure by Leal, A, Ma, C, du Plessis, F, Lagares, JI, Li, J, Quin, L, Xiong, W, Stathakis, S, Luo, W, Chen, Z

“…Purpose: This study investigates the potential benefit of energy‐ and intensity‐modulated electron radiotherapy (MERT) for superficial treatments and the…”
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SU-F-J-99: Dose Accumulation and Evaluation in Lung SBRT Among All Phases of Respiration by Azcona, JD, Burguete, J, Barbes, B, Aristu, J, Moreno, M, Zubiria, A, Arce, P, Lagares, JI

“…Purpose: To calculate the total planning dose on lung tumors (GTV) by accumulating the dose received in all respiration phases. Methods: A patient 4D planning…”
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GAMOS: An easy and flexible way to use GEANT4 by Arce, P., Lagares, J. I., Harkness, L., Desorgher, L., de Lorenzo, G., Abreu, Y., Zhentian Wang

“…The wide range of physics models available in GEANT4, as well as its outstanding geometry and visualization tools, has made it gain widespread use in several…”
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Anew physics model for the charged particle transport with Geant4 by Mendoza, E., Sansaloni, F., Arce, P., Cano-Ott, D., Lagares, J. I.

“…An accurate modeling of the interactions of charged particles (protons, 2 H, 3 H, 3 He, α-particles...) with energies up to tenths of MeV is necessary for many…”
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An EGSnrc Monte Carlo study of the microionization chamber for reference dosimetry of narrow irregular IMRT beamlets by Capote, Roberto, Sánchez-Doblado, Francisco, Leal, Antonio, Lagares, Juan Ignacio, Arráns, Rafael, Hartmann, Günther H.

“…Intensity modulated radiation therapy (IMRT) has evolved toward the use of many small radiation fields, or “beamlets,” to increase the resolution of the…”
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Routine IMRT verification by means of an automated Monte Carlo simulation system by Leal, Antonio, Sánchez-Doblado, Francisco, Arráns, Rafael, Roselló, Joan, Pavón, Ester Carrasco, Lagares, Juan Ignacio

“…A tool to simulate complete intensity-modulated radiation therapy (IMRT) treatments with the Monte Carlo (MC) method has been developed. This application is…”
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Micro ionization chamber dosimetry in IMRT verification: Clinical implications of dosimetric errors in the PTV by Sánchez-Doblado, Francisco, Capote, Roberto, Roselló, Joan V., Leal, Antonio, Lagares, Juan I., Arráns, Rafael, Hartmann, Günther H.

“…Absolute dose measurements for Intensity Modulated Radiotherapy (IMRT) beamlets is difficult due to the lack of lateral electron equilibrium. Recently we found…”
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MLC leaf width impact on the clinical dose distribution: a Monte Carlo approach by Leal, Antonio, Sánchez-Doblado, Francisco, Arráns, Rafael, Capote, Roberto, Lagares, Juan Ignacio, Pavón, Ester Carrasco, Roselló, Joan

“…The influence of the multileaf collimator (MLC) leaf width on the dose distribution in patients treated with conformal radiotherapy and intensity-modulated…”
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Microionization chamber for reference dosimetry in IMRT verification: clinical implications on OAR dosimetric errors by Sánchez-Doblado, Francisco, Capote, Roberto, Leal, Antonio, Roselló, Joan V, Lagares, Juan I, Arráns, Rafael, Hartmann, Günther H

“…Intensity modulated radiotherapy (IMRT) has become a treatment of choice in many oncological institutions. Small fields or beamlets with sizes of 1 to 5 cm2…”
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Total skin electron therapy treatment verification: Monte Carlo simulation and beam characteristics of large non-standard electron fields by Pavón, Ester Carrasco, Sánchez-Doblado, Francisco, Leal, Antonio, Capote, Roberto, Lagares, Juan Ignacio, Perucha, María, Arráns, Rafael

“…Total skin electron therapy (TSET) is a complex technique which requires non-standard measurements and dosimetric procedures. This paper investigates an…”
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